diff --git a/src/locale/messages.en.json b/src/locale/messages.en.json
index c88ae52e58bfc38478cb6e105b94fa5518a97256..fb955b4d2f672362084187c703c2e9244f348ef8 100755
--- a/src/locale/messages.en.json
+++ b/src/locale/messages.en.json
@@ -261,6 +261,8 @@
     "INFO_LECHAPTCALMON_DESCRIPTION": "pipe flow circular headloss",
     "INFO_LECHAPTCALMON_TITRE_COURT": "Lechapt-C.",
     "INFO_LECHAPTCALMON_TITRE": "Lechapt-Calmon",
+    "INFO_PRESSURELOSS_TITRE_DESCRIPTION": "Headloss in a pipe flow",
+    "INFO_PRESSURELOSS_TITRE_COURT": "Press. loss",
     "INFO_PRESSURELOSS_TITRE": "Pressure loss",
     "INFO_LIB_ABSCISSE": "Abscissa (m)",
     "INFO_LIB_ALTITUDE": "Altitude (m)",
diff --git a/src/locale/messages.fr.json b/src/locale/messages.fr.json
index 70fd109ee35a65a4498590a05ff9ea7d7ba192ee..81d52af765f4ff3d836e1a79ab21033129adf0b7 100755
--- a/src/locale/messages.fr.json
+++ b/src/locale/messages.fr.json
@@ -261,6 +261,8 @@
     "INFO_LECHAPTCALMON_DESCRIPTION": "Hydraulique en charge conduite colebrook",
     "INFO_LECHAPTCALMON_TITRE_COURT": "Lechapt-C.",
     "INFO_LECHAPTCALMON_TITRE": "Lechapt-Calmon",
+    "INFO_PRESSURELOSS_TITRE_DESCRIPTION": "Pertes dans une conduite en charge",
+    "INFO_PRESSURELOSS_TITRE_COURT": "Perte de ch.",
     "INFO_PRESSURELOSS_TITRE": "Perte de charge",
     "INFO_LIB_ABSCISSE": "Abscisse (m)",
     "INFO_LIB_ALTITUDE": "Altitude (m)",